Which of the following statements about a disinfectant is true?
A. The disinfectant solution is more potent after several uses.
B. Items should be placed in the disinfectant bath wet.
C. Soap should be used in the sanitization process.
D. Evaporation can alter the chemical makeup of the solution.
E. Disinfectants are used on human tissues as anti-infection agents.
D. Evaporation can alter the chemical makeup of the solution.
Evaporation can alter the chemical makeup of the disinfectant solution.
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A stroke, also known as a cerebrovascular accident (CVA), is the ________ leading cause of death in the United States
a. first b. second c. third d. fourth
A 31-year-old man presents for a routine dental examination. Soft tissue examination shows that both sides of his tongue have several circular red nonulcerated lesions of approximately 1 cm in diameter. The red patches are surrounded by white hyperkeratotic margins. He is asymptomatic and is otherwise in good health. He most likely has:
a. Bilateral squamous cell carcinomas b. Hairy leukoplakia c. Median rhomboid glossitis d. Leukoedema e. Geographic tongue
The ________ send(s) out electrical impulses to initiate depolarization.
A. SA node B. AV node C. Purkinje fibers D. bundle of His E. bundle branches
Phlebotomy may be used to help treat which of the following medical conditions?
A. Hypertension B. Polycythemia C. Anemia D. Diabetes mellitus